38609799552 has 448 divisors, whose sum is σ = 121247714160. Its totient is φ = 12227604480.

The previous prime is 38609799539. The next prime is 38609799581. The reversal of 38609799552 is 25599790683.

38609799552 is a `hidden beast` number, since 3 + 8 + 6 + 0 + 9 + 79 + 9 + 552 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 38609799552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 182984727 + ... + 182984937.

Almost surely, 2^38609799552 is an apocalyptic number.

38609799552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38609799552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60623857080).

38609799552 is an abundant number, since it is smaller than the sum of its proper divisors (82637914608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38609799552 is an equidigital number, since it uses as much as digits as its factorization.

38609799552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 63.

The spelling of 38609799552 in words is "thirty-eight billion, six hundred nine million, seven hundred ninety-nine thousand, five hundred fifty-two".